Veterinary surgeon&#39;s float.



Patented July l, |902.

P. wEuEn. VETERINARY SURGEONS nFLOAT.

(Applicaltion led Jan. 16, 1902.) l

(No Model.)

UNITED STATES PATENT OFFICE.

PAUL J. IVEDER, OF CHICAGO, ILLINOIS, ASSIGNOR TO SHARP 95 SMITH, OF

CHICAGO, ILLINOIS, A FIRM.

VETERINARY SURGEONS FLOAT.

SPECIFICATION fern. ing part of Letters Patent No. 703,868, dated July 1,1902.

Application led January 16, 1902. Serial No. 89,983. (No model.) I

To all whom, t may concern.'

Be it known that I, PAUL J. `VVEDER, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois,

have invented certainn'ew' and useful Improvements in Veterinary Surgeons Floats, of which the :following isa specification, reference being had to the accompanying drawings.

xo My invention relates to improvements in veterinary surgeonsinstruments employed in iiling down the teeth of horses, instruments of this character being technically known as floats Such instruments comprise a rasp, a rasp-holder, anda handle affixed to the holder. To'properly perform the work, it is customary to provide two holders, which are substantially alike, but which have diderently-shaped ends to adapt the bar or zo rod that forms the handle-to be affixed either` I attain these objects by the vdevices and combinations of devices shownfin the accompanying drawings and hereinafter fully 3 5 described.

That which I regard as newV will be set forth in the claims.

In the drawings, Figure 1 is a longitudinal vertical section, the rod or bar forming the 4o handle being shown partly in elevation and affixed to the holder in line therewith. Fig. 2 is a view similar to Fig. 1, but showing the handle affixed to the holder, so as to extend at an angle therefrom. Fig. 3 is a top or plan View, therasp being partly broken away. Fig. 4 is a cross-sectionat line 4 4 of Fig. 3. Fig. 5 is a cross-section at line 5 5 of Fig. `3, and Fig. 6 is a cross-section'at line 6 6 of Fig. 3.

Referring to the several figures of the drawings, where corresponding parts are indicated by the same reference characters, 7 indicates the rasp-holder,consisting of aiiatplate upon opposite sides of vwhich are formed two vertical angesS 8, in ywhich are formed grooves 9 9, into which grooves project the side edges 55 of the raspto be employed, such rasp being indicated by 10. The grooves 9 are unobstructed at both ends, and the rasp can therefore beinserted or withdrawnl at either end of the holder, and a rasp of greater or less 6o length than the holder can be employed, if desired.

1l indicates an enlarged portion at the rear end and on the under portion of the holder, in which is formed a socket 12.

13 indicates a plate extending over the socket 12 and secured at its forward end against displacement, the means for securing the plate being of a character, however, that will allow such plate a small up-and-down 7o movement, so that it can be forced up against lthe under Jface of the rasp by the means here.- inafter described. The means employed for securing such plate so as to allow of the movement referred to is a screw 14, that passes through a comparatively large tapering hole 15 in a contracted forward portion of the plate and into the forward part of the enlargement 11, as clearly shown in Figs. 1 and 2. The upper face of the holder is suitably cut away 8o to secure the plate 13, so that such plate will not offer any obstructionto the insertion of a rasp. As shown, the under surface of the plate 13 is inclined, so as to be materially thicker atits rear end than at its forward end.

16 indicates a rod or bar forming a handle when attached to the holder 7. It is provided in its forward end with a screw-threaded opening 17, adapted to receive a screw-threaded shank 18, that has formed upon vor secured 9o to its forward end a head 19, which in the form of construction shown is substantially spherical in shape and when the parts are in positionlies within the socket12. Thescrewthreadedshank 18 has a'Hatt-enedportion 2O 95 a short distance from the head19, which flattened portion projects through a slot 2l in the rear end of the holder, thus holding the shank 1S and the head 19 attached thereto from turning.

22 indicates a bearing-face on the inner end of the holder 7, against which the end of the bar or rod rests when such bar or rod is to be in line with the holder, and 23 indicates an inclined bearing-face below the face 22, against which inclined face the end of the bar or rod bears when it is desired to have such bar or rod at an angle to the holder.

With a rasp in the holderand-overand upon the plate 13 and the screw-threaded shank 18 projecting from the holder the handle bar or rod 16 is to be screwed upon such shank, and it' it is desired to have such handle in line with the holder the shank is turned up slightly, so as to bring the end of the bar or rod directly against the bearing-face 22 as the handle is screwed up to the limit of its movement. It', however, it is desired to have the said bar or rod at an angle to the holder, as in Fig. 2, the shank is dropped to the bottom of the slot 21. InV either case, whether the end of the rod is directed against the bearing-face 22 or the bearing-face 23, the effect will be as the handle is screwed up todraw the shank farther outward and the head 19 farther back in the socket 12, and owing to the inclined under face of the plate 13 such plate will be forced up and force the rasp above it up against the upper edges of the grooves 9, where it will be held immovable until the pressure is released by a reverse turn of the bar or rod 16 and a slight inward movement of the screw-threaded shank 18. Inasmuch as both sides of the rasp are usually7 roughened, it will be evident that the engagement between the parts when locked as described will be an exceedingly strong one, so that there is no chance of the rasp slipping when in use. It is evident that in order to change the handle from one of the positions shown and described to the other it is not necessary to disconnect such handle from the holder, as all that is required to be done is to loosen the parts by a slight reverse turn ot' the handle on the screw-threaded shank 1S, when such shank and handle can be moved to the other position and the handle again locked in place, as described, and also again securing the rasp in the holder.

By my invention a cheap, simple, and effective instrument is produced, which can be quickly and readily changed from an anglefloat to a straight float, and vice versa.

That which I claim as my invention, and desire to secure by Letters Patent, is

1.V The combination with a holder adapted to receive a rasp and provided witha socket,

of a sliding pressure device within the socket adapted to exert pressure upon the face of the rasp, a handle bar or rod adjustably connected with said sliding pressure device, and means vfor compelling a movement of said pressure device in an opposite direction to the movement of the handle bar or rod when said handle bar or rod is being adjusted to an operative position, substantially as specified. i

l 2. The combination with a holder adapted to receive a rasp, of a handle bar or rod adapted to be attached at one end of said holder,

masse movable means carried by said holder and adapted to be pressed against one face of the rasp to cause the opposite face of said rasp to engage said holder, means for adjustably connecting said handle bar or rod with said movable means, whereby, upon the' adjustment of said handle bar or rod, said movable means will be forced into position to secure said rasp in place, substantially as specified.

3. The combination with a holder, and a rasp mounted thereon, said holder being provided with a socket, ofa pressure device within said socket, a screw-threaded shank connected with said pressure device, a handle bar or rod adapted to be screwed upon said shank, and means for causing the device within the socket to move and exert a pressure upon the face of the rasp carriedby the holder when the handle bar or rod is screwed up on said shank, substantially as specified.

4. The combination with a holder, and a rasp mounted thereon, said holder being'provided with a socket, of a pressure device within said socket, a screw-threaded shank connected with said pressure device, a handle bar or rod adapted to be screwed upon said shank, means for preventing rotation of said shank, and means for causing the device within the socket to exert a pressure upon the face of the rasp carried by the holder when the handle bar or rod is screwed up on said shank, substantially as specified.

5. The combination with a holder adapted to receive a rasp, said holder having a socket near one end and a slot in its end wall, and provided also with a plurality of bearingfaces, of a pressure device within said socket, a screw-threaded shank attached at one end to said pressure device and projecting through said slot, and a handle bar or rod screwthreaded onto the other end of said shank and adapted to be screwed up against one of said bearing-faces, substantially as specied.

6. The combination with a holder having grooved side flanges 8 adapted to receive the side edges of a rasp, and having a socket near one end and a slot in the rear wall communieating with said socket, of a head located in said socket, a screw-threaded shank connected with said head and extending through said slot, a handle adapted to be screwed upon said shank, and means for causing said head to move and exertapressure upon the under face of the rasp to Vbind it in the grooves of said side flanges, substantially as specified.

7. The combination with a holder adapted to receive a rasp, said holder being provided on one end with a plurality of bearing-faces, of a handle bar or rod adapted to be forced and held against any of said bearing-faces,

IOO

and means for locking said rasp in the holder,

8. The combination with a holder adaptedv to receive a rasp, said holder being provided on one end with a plurality of bearing-faces, of a handle bar or rod adapted to be forced and held against any of said bearing-faces, locking means carried by the holder and located below the seat Afor the rasp, and a connection between said locking means and handle bar or holder, said locking means being adapted to move and exert a pressure against the face of the rasp upon said handle bar or rod being forced against any of said bearingfaces, substantially as described.

9. The combination with a holder adapted to receive a rasp, said holder having a socket near one end, of a movable plate located above said socket, a pressure device Within said socket adapted to be forced against said plate, a screw-threaded shank connected with said pressure device, a handle bar or rod adapted to be screwed upon said shank, and means for causing the pressure device Within the socket to move against the plate and force it upward when the handle bar or rod is screwed up on said shank, substantially as specied.

10. The combination with a holder adapted to receive a rasp, said holder having a socket near one end, of a plate located above said socket and provided with an inclined face, a pressure device within said socket adapted to be forced against said plate, a screw-threaded shank connected with said pressure device, a handle bar or rod adapted to be screwed upon said shank, and means for causing the pressure device within the socket to move against the inclined face of the plate and force it upward when the handle bar or rod is screwed up on said shank, substantially as specied.

l1. The combination with a holder adapted to receive a rasp, the said holder having a socket near one end and a slot in its end Wall, of a movable plate, a pressure device within said socket adapted to be forced against said plate, a screw-threaded shank connected with said pressure device, a handle bar or rod adapted to screw upon said shank, and means for causing the pressure device within the socket to move against the plate and force it upward when the handle bar or rod is screwed up on said shank, substantially as specified.

PAUL J. WEDER.

Witnesses:

JULIA M. BRISTOL, ALBERT H. ADAMS. 

